Halliburton Energy Services, Inc.

Ryan Thomas Humphrey

Odee Paul Daigle

Arthur Terry Stautzenberger

Gary Kohn

Richard Paul Noffke

Stephen Ross Maddux

David Matus

Richard Decena Ornelaz

Emile Edmund Sevadjian

Alan Tancel Jackson

Abdolreza Gharesi

Matthew Arran Willoughby

Grant L Hartman

Carlos Alberto Moreno

Steven John Cramp

Gary Allen Kohn

Apparatus and methods are disclosed for securing a component, such as a sealing element, to a tubular member, such as a mandrel, of a downhole tool. In at least one example, a retaining ring is used to secure the component to a mandrel. The retaining ring is secured to the mandrel with a plurality of discrete retention segments disposed within a channel at least partially defined by an internal groove on the retaining ring and an external groove on the mandrel. The retention segments are individually insertable into the channel through an access opening on the retaining ring. A compression spring may be provided in the channel to provide compressive engagement of the retention segments. Various closure configurations are also disclosed for closing the access opening once the retention segments have been inserted.

Segmented retainer for high pressure barriers

The disclosed embodiments include a coupler assembly and method for conveying a single piece liner hanger body. In one embodiment, the coupler assembly includes a nut, a load transfer sleeve, a locking dog retainer, a garter spring, a locking dog, a collet, an outer collet mandrel, and a collet prop mandrel. As described herein, components of the coupler assembly are assembled and installed within the inner diameter of the single piece liner hanger body for engaging with a liner hanger sub-assembly attached to a miming tool.

Big bore running tool quick lock adaptor

A method for reverse circulation cementing of a liner in a wellbore extending through a subterranean formation is presented. A running tool with expansion cone, annular isolation device, and reverse circulation assembly is run-in with a liner. The annular isolation device is set against the casing. A valve, such as a dropped-ball valve, opens reverse circulation ports for the cementing operation. The liner annulus is cemented using reverse circulation. An expandable liner hanger, if present, is expanded into engagement with the casing. The running tool is released and pulled from the hole.

Cementing a liner using reverse circulation

Reverse circulation cementing of a liner in a wellbore extending through a subterranean formation is presented. A running tool with expansion cone, release assembly, annular isolation device, and reverse circulation assembly is run-in with a liner. The annular isolation device is set against the casing. A valve, such as a dropped-ball operated sliding sleeve valve, opens reverse circulation ports for the cementing operation. The liner annulus is cemented using reverse circulation. The expandable liner hanger is expanded into engagement with the casing. Conventional circulation is restored. The running tool is released and pulled from the hole.

Reverse circulation cementing system for cementing a liner

A liner installation system for use in a wellbore having a casing string disposed therein. The system includes a liner string having a liner hanger and a liner top and a setting tool having an expansion cone assembly and a locator cylinder. After running the liner string through the casing string such that at least the liner hanger is positioned within the wellbore casing, the setting tool is run through the casing string until the locator cylinder contacts the liner top. Thereafter, axially moving the expansion cone assembly through the liner string radially expands the liner hanger into contact with the casing string.

Liner hanger setting tool and method for use of same

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Dallas, TX, United States of America

Ryan Thomas Humphrey